| Coord 2000 | 20301+4007 |
Discov num | ES 245 |
Comp | Coord arcsec 2000 | 20 30 08.22 +40 06 55.9 |
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| Date first | 1892 |
Date last | 2016 |
Obs | 11 |
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| Pa first | 161 |
Pa last | 158 |
P.A. Now (θ) | 158° |
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| Sep first | 3.7 |
Sep last | 4.1 |
Sep. Now (ρ) | 4.1" |
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| Mag pri | 10.87 |
Mag sec | 11.22 |
delta mag (ΔM) | 0.35 |
Spectral class | |||||
| Pri motion ra | -019 |
Sec motion ra | +002 |
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| Pri motion dec | +064 |
Sec motion dec | +003 |
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| Notes | N
(See Notes) |
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| Precise pa | 157.9 |
Precise sep | 4.11 |
Constellation | Cygnus |
Tycho2 | 3157-01213-1 |
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| Gaia DR2 | 17832406528 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20301+4007 | ES 245 | 1998 | 7 | 159 | 3.4 | 10.87 | 11.22 | D | 203008.22+400655.9 | ||
| 20301+4007 | ES 245 | 2002 | 8 | 158 | 4.1 | 10.87 | 11.22 | D | 203008.22+400655.9 | ||
| 20301+4007 | ES 245 | 2016 | 11 | 158 | 4.1 | 10.87 | 11.22 | N | 203008.22+400655.9 |